Al-Badri , Saja N. Al-Badri, and Hussein A. Al-Amrani Al-Amrani. “ROLE OF FOLIAR APPLICATION WITH PLANT EXTRACTS, AND ADDING HUMIC ACID IN GROWTH OF Calendula Officinalis AND ITS CONTENT FROM ZEAXANTHIN AND LYCOPENE”. IRAQI JOURNAL OF AGRICULTURAL SCIENCES 57, no. 1 (January 26, 2026): 55–70. Accessed July 4, 2026. https://www.jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/2446.